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Ronda norte arterial highway: Third lane and junctions. -
A-23 Mudéjar highway: Section Mainar-Paniza -
Variante sur arterial highway -
A-21 highway, Jaca-Navarra section: L.P. Huesca-Barranco de Colladas -
A-22 highway, Lleida–Huesca section: Lleida–Huesca -
Ronda Hispanidad arterial highway -
Tercer Milenio bridge over the river Ebro -
N-135 Road: Erro Tunnel and Mezkiritz Tunnel -
Road safety on roads in Aragon -
Management of compulsory purchase procedures in roads in Aragon -
Antequera-Granada high-speed rail: Section Loja-Rio Frío bypass -
Madrid–Extremadura high-speed rail sub-section: Olías del Rey-Rielves -
Madrid–Extremadura high-speed rail: Sub-section Casar de Cáceres-Cáceres. -
Remodelling of high-speed rail sidings at the stations of Tardienta and Huesca -
Madrid–Galicia high-speed rail. Sub-section: El Corno y Cerdedelo tunnel-Prado -
Huesca-Canfranc railway section: Alerre – Ayerbe -
Teruel-Zaragoza railway section: Cariñena-Muel -
Teruel-Zaragoza railway section: Muel-Zaragoza -
Audit of track on Sarmiento Line, Argentina -
Marmaray project: Improvement in suburban line, Istanbul, Turkey